Cypress, Texas
United States
3
2005-04-21
Stephen L. Ward from Cypress, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Well screen primary tube gravel pack method
#2 | 2005-03-24Alternate path gravel packing with enclosed shunt tubes
#3 | 2005-02-10Alternate path gravel packing with enclosed shunt tubes
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